Marcelo Rovai – Medium

Marcelo Rovai

Marcelo Rovai
in
Towards Data Science

Building an Intelligent Voice Assistant from scratch

Emulating a Google Assistant on a RaspberryPi and Arduino Nano 33 BLE

16 min readJan 26, 2021

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Building an Intelligent Voice Assistant from scratch

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Marcelo Rovai
in
Towards Data Science

Home Automation with Alexa

Voice commands with IoT emulated devices, using the Arduino library Espalexa.

9 min readJan 6, 2021

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Home Automation with Alexa

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Marcelo Rovai
in
Towards Data Science

Exploring AI at the Edge!

Image Recognition, Object and Pose Detection using Tensorflow Lite on a Raspberry Pi

18 min readAug 20, 2020

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Exploring AI at the Edge!

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Marcelo Rovai
in
Towards Data Science

Realtime Multiple Person 2D Pose Estimation using TensorFlow2.x

Pose estimation is crucial in enabling machines to understand people in images and videos.

15 min readAug 3, 2020

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Realtime Multiple Person 2D Pose Estimation using TensorFlow2.x

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Marcelo Rovai
in
Towards Data Science

Applying Artificial Intelligence techniques in the development of a web-app for the detection of…

Disclaimer: The study developed here for the automatic detection of COVID-19 in X-ray images is strictly for educational purposes…

33 min readMay 18, 2020

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Applying Artificial Intelligence techniques in the development of a web-app for the detection of…

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Marcelo Rovai

Aplicando técnicas de Inteligência Artificial no desenvolvimento de uma web-app para a detecção do…

Aviso Legal

33 min readMay 15, 2020

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Aplicando técnicas de Inteligência Artificial no desenvolvimento de uma web-app para a detecção do…

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Marcelo Rovai
in
Towards Data Science

Sensing the Air Quality

A low-cost IoT Air Quality Monitor based on RaspberryPi 4

15 min readAug 21, 2019

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Sensing the Air Quality

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Marcelo Rovai
in
Towards Data Science

How safe are the streets of Santiago?

Let's answer it with Python and GeoPandas!

12 min readAug 14, 2019

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How safe are the streets of Santiago?

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Marcelo Rovai
in
Towards Data Science

How to Capture Weather Data with your own IoT Home Station

Capturing weather data, and logging them locally and on an IoT service, via MQTT protocol.

22 min readJun 4, 2019

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How to Capture Weather Data with your own IoT Home Station

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Marcelo Rovai
in
Towards Data Science

Colorizing Old B&W Photos and Videos With the Help of AI

This project is based on a research work developed at the University of California, Berkeley by Richard Zhang, Phillip Isola, and Alexei A…

10 min readMar 22, 2019

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Colorizing Old B&W Photos and Videos With the Help of AI

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Marcelo Rovai

Marcelo Rovai

Engineer, MBA, Master in Data Science. Passionate to share knowledge about Data Science and Electronics with focus on Physical Computing, IoT and Robotics.

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